perekond

Psammosphaera Schultze, 1875

Valik taksonit käsitlevast teaduskirjandusest
Winchester-Seeto, T., McIlroy, D. 2006. Lower Cambrian melanosclerites and foraminiferal linings from the Lontova Formation, St. Petersburg, Russia. Review of Palaeobotany and Palynology 139, 1-4, 71-79. DOI:10.1016/j.revpalbo.2005.07.012